2016 Update

Task/Break-OO-privacy/Forth/break-oo-privacy.fth

@@ -9,7 +9,7 @@ include FMS-SI.f
 ;class
 
 foo f1    \ instantiate a foo object
-f1 print  \ 10
+f1 print  \ 10 access the private x with the print message
 
 x .  \ 99  x is a globally scoped name
 

Task/Break-OO-privacy/Ruby/break-oo-privacy.rb

@@ -1,15 +1,17 @@
->> class Example
->>   private
->>   def name
->>     "secret"
->>   end
->> end
-=> nil
->> example = Example.new
-=> #<Example:0x101308408>
->> example.name
-NoMethodError: private method `name' called for #<Example:0x101308408>
-	from (irb):10
-	from :0
->> example.send(:name)
-=> "secret"
+class Example
+  def initialize
+     @private_data = "nothing" # instance variables are always private
+  end
+  private
+  def hidden_method
+     "secret"
+  end
+end
+example = Example.new
+p example.private_methods(false) # => [:hidden_method]
+#p example.hidden_method # => NoMethodError: private method `name' called for #<Example:0x101308408>
+p example.send(:hidden_method) # => "secret"
+p example.instance_variables # => [:@private_data]
+p example.instance_variable_get :@private_data # => "nothing"
+p example.instance_variable_set :@private_data, 42 # => 42
+p example.instance_variable_get :@private_data # => 42